OT-2026-000031977
Publication integrity record
Single cup vacuum gripper, pump fed, pulsed blow-off after set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000031977) never changes.
Identity and time
| Publication number | OT-2026-000031977 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-701a-9c86-9986846063b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031977 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92eb529567b78e04ef1b699feea9528a14ee1472feaf2af4d8125eb9e444de9e |
|---|---|
| Markdown | 1d903043405de843d53de3543c79a92348c81322c3d4a07971f87c0392df5500 |
| Publication page | 1bbdc6688227f952f1e381c72a97cf764270ac7b1dfd9df15d4455377a384d54 |
| Manifest | 83928e3bc22a046064d73ed041593473eb950cd3a3360885c9af4a7a5f19b4b4 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | dnjFEQpj+TpdcPTFBzdt9AX2Ua6PGrcVly5jE/SfQ9LNfhXjUu0IfG6yQ4QKi0SqfVa5bZ+FfIuBLRfucD65CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:35:16.382904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031977observed 1bbdc6688227f952f1e381c72a97cf76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:16.365692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031977/manifest.jsonobserved 83928e3bc22a046064d73ed041593473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.348710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031977/publication.mdobserved 1d903043405de843d53de3543c79a923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.328415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031977/publication.txtobserved 92eb529567b78e04ef1b699feea9528a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|